A. sunlight slows down water loss from the upper surface B. the lower surface of the leaf has more stomata…
A. Mycobacterium tuberculosis B. Bordetella pertusis C. Treponema pallidlum D. Clostridium tetani Correct Answer: Option C C. Treponema pallidlum
A. mesophyll cells only B. the root only C. the stomata and lenticel only D. all living cells Correct Answer:…
A. Cell sap B. Carbon dioxide C. oxygen D. water Correct Answer: Option D D. water
A. salty water B. humid air C. moist soil D. mouth cavities Correct Answer: Option A A. salty water
A. bending the arm, the biceps relax and the triceps contract B. bending the arm, the biceps contract and the…
A. provision of energy to do work in living organisms B. transmission of nerve impulse C. keeping the body warm…
A. Shrinking of a plant cell in a solution B. Shrinking away of cytoplasm from an animal cell membrane C.…
A. Initially, the eyes cannot operate when the light is dim B. The choroid reflect all the light that enters…
A. Obelia and Euglena B. Pandorina and Volvox C. Chlamydomonas and Amoeba D. Hydra and Spirogyra Correct Answer: Option B…